﻿#region LicenseHeader

// Copyright 2012 The Trustees of Indiana University.  All rights reserved.
// 
// The Indiana University licenses this file to you under the Apache License, 
// Version 2.0 (the "License"); you may not use this file except in compliance 
// with the License.  You may obtain a copy of the License at 
// 
// http://www.apache.org/licenses/LICENSE-2.0
// 
// Unless required by applicable law or agreed to in writing, software 
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
//  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  
// See the License for the specific language governing permissions and 
// limitations under the License.
// 
// @author Thilina Gunarathne (tgunarat@indiana.edu)

#endregion

using System;
using System.Collections.Generic;
using System.ServiceModel;
using AzureMRCore.DataCommunication;
using AzureMRCore.Drivers;
using AzureMRCore.Primitives;

namespace AzureMRCore
{
    public class MRConf
    {
        public Dictionary<string, MRDriver> MRDrivers;

        private static MRConf _mrConf;

        private MRConf()
        {
            MapWorkersPerInstance = 1;
            ReduceWorkersPerInstance = 1;
            MapTimeOut = 1800;
            ReduceTimeOut = 7200;
            MapSchedQueueName = "mapschedq";
            ReduceSchedQueueName = "reduceschedq";
            MapQPollingInterval = 500;
            RedQPollingInterval = 500;
            ExponentialBackoff = false;
            MRDrivers = new Dictionary<string, MRDriver>();
            ParallelBCastMax = 8;
        }

        public static MRConf GetInstance()
        {
            return _mrConf ?? (_mrConf = new MRConf());
        }

        //CONFIG options
        public int MapWorkersPerInstance { get; set; }
        public int ReduceWorkersPerInstance { get; set; }
        public int MapTimeOut { get; set; }
        public int ReduceTimeOut { get; set; }
        public String MapSchedQueueName { get; set; }
        public String ReduceSchedQueueName { get; set; }
        public int MapQPollingInterval { get; set; }
        public int RedQPollingInterval { get; set; }
        public bool ExponentialBackoff { get; set; }
        public BCastServiceReceiver BCastReceiver { get; set; }
        public ChannelFactory<IDataXferService> Factory { get; set; }

        public int ParallelBCastMax { get; set; }
    }
}